Name

seteventhandler — set an event handler for the current graphic window

Calling Sequence

seteventhandler(sfun_name)
seteventhandler('')

Parameters

sfun_name

a character string. The name of the Scilab function which is intended to handle the events

Description

The function allows the user to set a particular event handler for the current graphic window. seteventhandler('') removes the handler.

For more information about event handler functions see the event handler functions help.

Examples


   function my_eventhandler(win,x,y,ibut)
      if ibut==-1000 then return,end
      [x,y]=xchange(x,y,'i2f')
       xinfo(msprintf('Event code %d at mouse position is (%f,%f)',ibut,x,y))
   endfunction
   plot2d()
   seteventhandler('my_eventhandler')
   //now:
   //   -  move the mouse over the graphic window
   //   -  press and release keys shifted or not with Ctrl pressed or not
   //   -  press button, wait a little release
   //   -  press and release button
   //   -  double-click button


   seteventhandler('') //suppress the event handler
 
  

See Also

addmenu , xgetmouse , xclick , xchange , event handler functions , figure_properties